#333D88#333D88

#333D88 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.125 H 273.6°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#333D88
RGB	rgb(51, 61, 136)
HSL	hsl(233, 45%, 37%)
HSV	hsv(233, 63%, 53%)
CMYK	cmyk(62.5%, 55.1%, 0%, 46.7%)
CIE-LAB	lab(28.95, 20.49, -43.34)
CIE-LCH	lch(28.95, 47.94, 295.30°)
OKLab	oklab(39.54% 0.0078 -0.1243)
OKLCH	oklch(39.54% 0.125 273.6)
XYZ	xyz(7.4765, 5.8183, 24.0168)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333D88 #887E33

analogous

#336888 #333D88 #543388

triadic

#333D88 #88333D #3D8833

tetradic

#333D88 #883368 #887E33 #338854

square

#333D88 #883368 #887E33 #338854

split-complementary

#333D88 #885433 #688833

monochromatic

#12152F #22295B #333D88 #4451B5 #6D78C8

Accessibility & contrast

On white

9.71

#333D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#333D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333D88

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333D88	#FFFFFF	#000000	##FFFFFF
##333D88	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C488B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #333d88;
/* rgb */ color: rgb(51, 61, 136);
/* oklch */ color: oklch(39.5% 0.125 273.6);

Tailwind

colors: {
  custom: {
    50: '#7472ab',
    500: '#333d88',
    950: '#000000',
  },
}

SCSS

$custom: #333d88;
$custom-light: #7472ab;
$custom-dark: #000000;

JSON

{
  "hex": "#333d88",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 136
  },
  "hsl": {
    "h": 232.941,
    "s": 45.455,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39541,
    "c": 0.12453,
    "h": 273.6
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#333D88

secondary

#B0A867

accent

#C653D5

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #333D88

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →